The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:2257 advisory.

    Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop     environment not only on the machine where it is running, but from anywhere on the Internet and from a wide     variety of machine architectures. TigerVNC is a suite of VNC servers and clients.

    Security Fix(es):

    * xorg-x11-server: XkbGetKbdByName use-after-free (CVE-2022-4283)

    * xorg-x11-server: XTestSwapFakeInput stack overflow (CVE-2022-46340)

    * xorg-x11-server: XIPassiveUngrab out-of-bounds access (CVE-2022-46341)

    * xorg-x11-server: XvdiSelectVideoNotify use-after-free (CVE-2022-46342)

    * xorg-x11-server: ScreenSaverSetAttributes use-after-free (CVE-2022-46343)

    * xorg-x11-server: XIChangeProperty out-of-bounds access (CVE-2022-46344)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.2 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

Analytics

RHEL 9 : tigervnc (RHSA-2023:2257)

high Nessus Plugin ID 175466

Version 1.4

Version 1.3

Version 1.2

Version 1.1

Version 1.0

Version 1.4 Nov 5, 2024, 9:32 PM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Detection (updated detection logic) Plugin metadata Plugin Feed: 202411052132
Version 1.3 Apr 28, 2024, 2:25 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202404281425
Version 1.2 Jan 26, 2024, 9:00 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202401262100
Version 1.1 May 24, 2023, 8:43 PM Logic Changes (Added support for ppc64le architecture) Plugin Feed: 202305242043
Version 1.0 May 13, 2023, 9:55 AM New Plugin Feed: 202305130955